| ultrasonics |
the application of ultrasonic energy to do work (specifically as opposed to subsonic, supersonic, or transsonic, qv).
출처: home.att.net/~Berliner-Ultrasonics/us-gloss.html
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|---|---|
| ulcer |
A break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus.
출처: www.colonrectal.org/patientinfo/definitions/defini...
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| ultraviolet |
The part of the spectrum just beyond violet. Ultraviolet light is invisible to the human eye but strongly affects photographic materials.
출처: www.vistek.ca/glossary/default.asp
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| ulceration |
a condition in which the epidermis that covers a portion of the primary melanoma is not intact. Ulceration is determined by microscopic evaluation of the tissue by a pathologist, not by what can be seen with the naked eye.
출처: www.melanomacenter.org/glossary/u.html
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| ultraviolet |
That portion of the electromagnetic spectrum below blue light (380 nanometers).
출처: www.flw.com/define_u.htm
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